How to solve number 14

Carrie and krystal are taking a road trip from greenville each person has her own map carry in north valley or each person has her own map in the scales on the maps are different and carries map read about in northville are 4.5inches apart the scale on a map is 1 inch equals 20 miles how far is greenville from north valley

What is the radius of a circle with an area of 78.5 cubic inches? use 3.14 for pie

Oliver read for 450 minutes this month his goal was to read for 10% more minutes next month if all of her medicine go how many minutes will you read all during the next two months